Logitech G710+ Mechanical Gaming Keyboard with Tactile High-Speed Keys - Black Tactile, high-speed keys: Quiet mechanical keys deliver gaming-grade responsiveness and superior tactile feedback without noise distractions Adjustable dual-zone backlighting: Adjust the brightness of WASD/arrow keys independently from the rest of the keyboard so you can easily find any key?even in low light 6 programmable G-keys: Configure up to 18 unique functions per game, including single keypresses, complex macros or intricate LUA scripts High-performance gaming keys: 110 anti-ghosting keys and 26-key rollover help you make the right moves with flawless precision; one-touch media keys let you instantly control volume, mute and media playback Compatibility: Works with Windows 8, Windows 7 or Windows Vista operating systems; Mac OS X 10.6.8 - 10.9.x